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新概念英语一册语法总结
一．时态：
一般现在时，现在进展时，一般过去时，现在完成时，一般将来时，过去进展时，过去完成时，过去将来时
一般现在时
. 一般过去时
表示过去发生的动作或事件，
常和表示过去的时间状语连用，如yesterday, last night, the day before yesterday, 3 days ago,
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含有be动词的句子， 将动词变为过去式，am, is的过去式为was，are的过去式为were
I at the butcher’s.
You a student a year ago.
The teachervery beautiful ten years ago.
*变疑问句将be动词移动到句首
you at the butcher’s"
you a student a year ago"
the teacher very beautiful ten years ago"
*变否认句在be动词后面加not
I was at the butcher’s.
You were a student a year ago.
The teacher was very beautiful ten years ago.
*肯定答复否认答复
Yes, I was. No, I was not.
Yes, you were. No, you were not.
Yes, he/she was. No, he/she was not.
*特殊疑问句：
What did you do"
含有实义动词的句子，将动词变为过去式，动词过去式构成见附录
I finished my homework yesterday.
The boy went to a restaurant.
The Sawyers lived at King Street a year ago.
*变疑问句在句首加did，
动词变为原型
you finish your homework yesterday"
the boy go to a restaurant"
the Sawyers live at King Street a year ago"
*变否认句在主语和动词之间加did not
I finish my homework yesterday.
The boy go to a restaurant.
The Sawyerslive at King Street
a year ago.
*肯定答复及否认答复
Yes, I did. No, I didn’t.
Yes, he did. No, he didn’t.
Yes, they did. No, they did not.
4. 现在完成时
构成：主语+助动词have/has+过去分词
用法：
1)表示过去发生的和现在有*种联系的动作，常和just, usually, already, since等时间副词连用
I have just had lunch. (饱了，不用再吃了)
He has had a cup of tea.〔不渴了，不用再喝〕
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They have already had their holiday. 〔不能再度假了〕
The boy has already read the book. 〔已经知道书的容了，不用再看了〕
2)询问别人是否做过*事一般用现在完成时：
you finished your homework"
you been to Beijing"
he seen the film"
3)表示开场于过去并持续到现在的动作
I have lived in Beijing for twenty years.
I have worked for this school for 1 year.
4)表示一种经历，经历：去过…地方，做过…事情，经历过…事情
I have never had a bath.
I have never seen a film.
I have never been to cinema.
I have ever been to Paris.
Have been to表示去过，